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In this manner, an engine in its original form was merely a water pump. Devices converting heat energy into motion are commonly referred to simply as engines, examples of engines which exert a torque include the familiar automobile gasoline and diesel engines, as well as turboshafts.

Examples of engines which produce thrust include turbofans and rockets, the term motor derives from the Latin verb moto which means to set in motion, or maintain motion. Thus a motor is a device that imparts motion, motor and engine later came to be used largely interchangeably in casual discourse.

However, technically, the two words have different meanings, however, rocketry uses the term rocket motor, even though they consume fuel. A heat engine may also serve as a prime mover—a component that transforms the flow or changes in pressure of a fluid into mechanical energy. An automobile powered by a combustion engine may make use of various motors and pumps. Another way of looking at it is that a motor receives power from an external source, simple machines, such as the club and oar, are prehistoric.

More complex engines using human power, animal power, water power, wind power and these were used in cranes and aboard ships in Ancient Greece, as well as in mines, water pumps and siege engines in Ancient Rome. The writers of those times, including Vitruvius, Frontinus and Pliny the Elder, treat these engines as commonplace, by the 1st century AD, cattle and horses were used in mills, driving machines similar to those powered by humans in earlier times. It consists mostly of organic compounds obtained by the distillation of petroleum.

On average, a gallon barrel of oil yields about 19 US gallons of gasoline when processed in an oil refinery. The characteristic of a gasoline blend to resist igniting too early is measured by its octane rating. Gasoline is produced in several grades of octane rating, sometimes, gasoline also contains ethanol as an alternative fuel, for economic or environmental reasons.

Gasoline, as used worldwide in the vast number of combustion engines used in transport and industry, has a significant impact on the environment. Gasoline may also enter the environment uncombusted, as liquid and as vapors, from leakage and handling during production, transport and delivery, from tanks, from spills.

As an example of efforts to control leakage, many storage tanks are required to have extensive measures in place to detect.

Gasoline contains benzene and other known carcinogens, Gasoline inhalation can produce an intense high, however the practice is thought to cause severe organ damage, including mental retardation.

The first automotive combustion engines, so-called Otto engines, were developed in the last quarter of the 19th century in Germany, the fuel was a relatively volatile hydrocarbon obtained from coal gas. The development of a spray nozzle carburetor enabled the use of less volatile fuels, further improvements in engine efficiency were attempted at higher compression ratios, but early attempts were blocked by knocking.

In the s, antiknock compounds were introduced by Thomas Midgley Jr. In the s oil refineries started to focus on high octane fuels, the s witnessed greater attention to the environmental consequences of burning gasoline.

These considerations led to the out of TEL and its replacement by other antiknock compounds. Subsequently, low-sulfur gasoline was introduced, in part to preserve the catalysts in modern exhaust systems, Gasoline is the term that is used in North America to refer to the most popular automobile fuel.

The Oxford English Dictionary dates the first use to , when it was spelled gasolene and it was never a trademark, although it may have been derived from older trademarks such as Cazeline and Gazeline.

Variant spellings of gasoline had been used to refer to raw petroleum since the 16th century, Petrol is the preferred term in most Commonwealth countries. Peugeot — For the article about the bicycle manufacturer, see Cycles Peugeot.

Peugeot is a French car manufacturer, part of Groupe PSA, the family business that preceded the current Peugeot company was founded in , and manufactured coffee mills and bicycles. On 20 November , Émile Peugeot applied for the lion trademark, due to family discord, Armand Peugeot in founded the Société des Automobiles Peugeot.

The Peugeot company and family are originally from Sochaux, France, Peugeot retains a large manufacturing plant and Peugeot museum there. In February , the agreed to a recapitalisation plan, in which Dongfeng Motors. Peugeot has received international awards for its vehicles, including five European Car of the Year awards. In and , Peugeot ranked the second lowest for average CO2 emissions among generalist brands in Europe, the Renault car maker group being ranked first, with Peugeot is known as a very reliable brand, citing how its s and s models are running in Africa and Cuba in the s.

Peugeot has been involved in sport for more than a century. In , Peugeot returned to the Dakar Rally after its four victories in the s, the Peugeot family of Valentigney, Montbéliard, Franche-Comté, France, began in the manufacturing business in the 19th century.

In , they added production of coffee, pepper, the companys entry into the vehicle market was by means of crinoline dresses, which used steel rods, leading to umbrella frames, saw blades, chisels, wire wheels, and bicycles. Armand Peugeot introduced his Le Grand Bi penny-farthing in , along with a range of other bicycles, the car company and bike company parted ways in but Peugeot bicycles continued to be built until very recently.

Armand Peugeot became interested in the early on and, after meeting with Gottlieb Daimler. The first Peugeot automobile, a three-wheeled, steam-powered car designed by Léon Serpollet, was produced in , steam power was heavy and bulky and required lengthy warmup times. In , after meeting Daimler and Émile Levassor, steam was abandoned in favour of a car with a petrol-fuelled internal combustion engine built by Panhard under Daimler licence. The car was more sophisticated than many of its contemporaries, with a three-point suspension, an example was sold to the young Alberto Santos-Dumont, who exported it to Brazil.

More cars followed,29 being built in ,40 in ,72 in , in and these early models were given type numbers. Peugeot became the first manufacturer to fit rubber tyres to a petrol-powered car, Peugeot was an early pioneer in motor racing, with Albert Lemaître winning the worlds first motor race, the Paris—Rouen, in a 3 hp Peugeot.

Potenza fisica — In physics, power is the rate of doing work. It is the amount of energy consumed per unit time, having no direction, it is a scalar quantity. In the SI system, the unit of power is the joule per second, known as the watt in honour of James Watt, another common and traditional measure is horsepower.

Being the rate of work, the equation for power can be written, because this integral depends on the trajectory of the point of application of the force and torque, this calculation of work is said to be path dependent. As a physical concept, power requires both a change in the universe and a specified time in which the change occurs. This is distinct from the concept of work, which is measured in terms of a net change in the state of the physical universe.

The output power of a motor is the product of the torque that the motor generates. The power involved in moving a vehicle is the product of the force of the wheels. The dimension of power is divided by time. The SI unit of power is the watt, which is equal to one joule per second, other units of power include ergs per second, horsepower, metric horsepower, and foot-pounds per minute.

One horsepower is equivalent to 33, foot-pounds per minute, or the required to lift pounds by one foot in one second. Other units include dBm, a logarithmic measure with 1 milliwatt as reference, food calories per hour, Btu per hour. This shows how power is an amount of energy consumed per unit time. The average power is simply called power when the context makes it clear. Pendenza topografica — The grade of a physical feature, landform or constructed line refers to the tangent of the angle of that surface to the horizontal.

It is a case of the slope, where zero indicates horizontality. A larger number indicates higher or steeper degree of tilt, often slope is calculated as a ratio of rise to run, or as a fraction in which run is the horizontal distance and rise is the vertical distance.

The grades or slopes of existing physical features such as canyons and hillsides, stream and river banks, grades are typically specified for new linear constructions. The grade may refer to the slope or the perpendicular cross slope. There are several ways to express slope, as an angle of inclination to the horizontal, as a percentage, the formula for which is rise run which could also be expressed as the tangent of the angle of inclination times As a per mille figure, the formula for which is rise run which could also be expressed as the tangent of the angle of inclination times and this is commonly used in Europe to denote the incline of a railway.

As a ratio of one part rise to so many parts run, for example, a slope that has a rise of 5 feet for every feet of run would have a slope ratio of 1 in This is generally the method used to describe railway grades in Australia, any of these may be used.

Slope may still be expressed when the run is not known. This is not the way to specify slope, it follows the sine function rather than the tangent function. But in practice the way to calculate slope is to measure the distance along the slope and the vertical rise. When the angle of inclination is small, using the slope length rather than the horizontal displacement makes only an insignificant difference, Railway gradients are usually expressed in terms of the rise in relation to the distance along the track as a practical measure.

In cases where the difference between sin and tan is significant, the tangent is used. Grades are related using the equations with symbols from the figure at top.

Mitragliatrice — A machine gun is a fully automatic mounted or portable firearm designed to fire bullets in quick succession from an ammunition belt or magazine, typically at a rate of to rounds per minute. Note that not all fully automatic firearms are machine guns, submachine guns, rifles, assault rifles, shotguns, pistols or cannons may be capable of fully automatic fire, but are not designed for sustained fire. Many machine guns also use belt feeding and open bolt operation, unlike semi-automatic firearms, which require one trigger pull per round fired, a machine gun is designed to fire for as long as the trigger is held down.

Nowadays the term is restricted to heavy weapons, able to provide continuous or frequent bursts of automatic fire for as long as ammunition lasts. Machine guns are used against personnel, aircraft and light vehicles, or to provide suppressive fire. Some machine guns have in practice sustained fire almost continuously for hours, because they become very hot, practically all machine guns fire from an open bolt, to permit air cooling from the breech between bursts.

They also usually have either a barrel cooling system, slow-heating heavyweight barrel, although subdivided into light, medium, heavy or general-purpose, even the lightest machine guns tend to be substantially larger and heavier than standard infantry arms. Medium and heavy guns are either mounted on a tripod or on a vehicle, when carried on foot. Medium machine guns use full-sized rifle rounds and are designed to be used from fixed positions mounted on a tripod. The M machine gun is a crew-served weapon, Machine guns usually have simple iron sights, though the use of optics is becoming more common.

Many heavy machine guns, such as the Browning M2. During the Vietnam War, Carlos Hathcock set the record for a shot at ft with a. This led to the introduction of. Unlocking and removing the spent case from the chamber and ejecting it out of the weapon as bolt is moving rearward Loading the next round into the firing chamber.

Usually the recoil spring tension pushes bolt back into battery and a cam strips the new round from a feeding device, cycle is repeated as long as the trigger is activated by operator.

Releasing the trigger resets the trigger mechanism by engaging a sear so the weapon stops firing with bolt carrier fully at the rear, the operation is basically the same for all autoloading firearms, regardless of the means of activating these mechanisms. Most modern machine guns use gas-operated reloading, a recoil actuated machine gun uses the recoil to first unlock and then operate the action. Machine guns such as the M2 Browning and MG42, are of this type, a cam, lever or actuator demultiplicates the energy of the recoil to operate the bolt.

Autoblindo — A military armored car is a lightweight wheeled armored fighting vehicle, historically employed for reconnaissance, internal security, armed escort, and other subordinate battlefield tasks. With the gradual decline of mounted cavalry, armored cars were developed for carrying out duties formerly assigned to horsemen, following the invention of the tank, the armored car remained popular due to its comparatively simplified maintenance and low production cost.

It also found favor with several colonial armies as a weapon for use in underdeveloped regions. During World War II, most armored cars were engineered for reconnaissance and passive observation, some equipped with heavier armament could even substitute for tracked combat vehicles in favorable conditions—such as pursuit or flanking maneuvers during the North African Campaign.

The Motor Scout was designed and built by British inventor F. Simms in and it was the first armed petrol engine-powered vehicle ever built. The vehicle was a De Dion-Bouton quadricycle with a mounted Maxim machine gun on the front bar, an iron shield in front of the car protected the driver.

However, these were not armored cars as the term is understood today and they were also, by virtue of their small capacity engines, less efficient than the cavalry and horse-drawn guns that they were intended to complement. At the beginning of the 20th century, the first military armored vehicles were manufactured, by adding armor and weapons to existing vehicles. The vehicle had Vickers armour 6 mm thick and was powered by a four-cylinder 3.

The vehicle was equipped with a Hotchkiss machine gun, and with 7 mm armour for the gunner, one of the first operational armoured cars with four wheel drive and fully enclosed rotating turret, was the Austro-Daimler Panzerwagen built by Austro-Daimler in It was armoured with Of note, both the driver and co-driver had adjustable seats enabling them to them to see out of the roof of the drive compartment as needed.

The Italians used armored cars during the Italo-Turkish War, a great variety of armored cars appeared on both sides during World War I and these were used in various ways. Generally, the cars were used by more or less independent car commanders.

However, sometimes they were used in units up to squadron size. The cars were armed with light machine guns, but larger units usually employed a few cars with heavier guns. As air power became a factor, armored cars offered a platform for antiaircraft guns. Da Wikipedia, l'enciclopedia libera. ERC F4 Sagaie 1. Altri progetti Wikimedia Commons.

Under the presidency of Raymond Poincaré, which ran from till , the military were also keen on the sleeve valve engined Panhard 20HP 3. This portion of the meridian, assumed to be the length as the Paris meridian, was to serve as the basis for the length of the half meridian connecting the North Pole with the Equator 4.

The writers of those times, including Vitruvius, Frontinus and Pliny the Elder, treat these engines as commonplace, by the 1st century AD, cattle and horses were used in mills, driving machines similar to those powered by humans in earlier times 5.

Variant spellings of gasoline had been used to refer to raw petroleum since the 16th century, Petrol is the preferred term in most Commonwealth countries 6. Peugeot became the first manufacturer to fit rubber tyres to a petrol-powered car, Peugeot was an early pioneer in motor racing, with Albert Lemaître winning the worlds first motor race, the Paris—Rouen, in a 3 hp Peugeot 7.

Grades are related using the equations with symbols from the figure at top 9. Machine guns such as the M2 Browning and MG42, are of this type, a cam, lever or actuator demultiplicates the energy of the recoil to operate the bolt Panhard [videos] Panhard is a French manufacturer of light tactical and military vehicles.

Panhard et Levassor This model was the first registered automobile in Portugal. Panhard et Levassor's Daimler Motor Carriage, Belfry, Dunkirk —the northern end of the meridian arc. Fortress of Montjuïc —the southerly end of the meridian arc. Creating the metre-alloy in at the Conservatoire des Arts et Métiers.

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In biological systems, molecular motors, like myosins in muscles, use energy to create forces. The word engine derives from Old French engin, from the Latin ingenium—the root of the word ingenious. Pre-industrial weapons of war, such as catapults, trebuchets and battering rams, were called siege engines, the word gin, as in cotton gin, is short for engine.

Most mechanical devices invented during the revolution were described as engines—the steam engine being a notable example. However, the steam engines, such as those by Thomas Savery, were not mechanical engines. In this manner, an engine in its original form was merely a water pump. Devices converting heat energy into motion are commonly referred to simply as engines, examples of engines which exert a torque include the familiar automobile gasoline and diesel engines, as well as turboshafts.

Examples of engines which produce thrust include turbofans and rockets, the term motor derives from the Latin verb moto which means to set in motion, or maintain motion. Thus a motor is a device that imparts motion, motor and engine later came to be used largely interchangeably in casual discourse. However, technically, the two words have different meanings, however, rocketry uses the term rocket motor, even though they consume fuel.

A heat engine may also serve as a prime mover—a component that transforms the flow or changes in pressure of a fluid into mechanical energy. An automobile powered by a combustion engine may make use of various motors and pumps. Another way of looking at it is that a motor receives power from an external source, simple machines, such as the club and oar, are prehistoric. More complex engines using human power, animal power, water power, wind power and these were used in cranes and aboard ships in Ancient Greece, as well as in mines, water pumps and siege engines in Ancient Rome.

The writers of those times, including Vitruvius, Frontinus and Pliny the Elder, treat these engines as commonplace, by the 1st century AD, cattle and horses were used in mills, driving machines similar to those powered by humans in earlier times.

It consists mostly of organic compounds obtained by the distillation of petroleum. On average, a gallon barrel of oil yields about 19 US gallons of gasoline when processed in an oil refinery. The characteristic of a gasoline blend to resist igniting too early is measured by its octane rating. Gasoline is produced in several grades of octane rating, sometimes, gasoline also contains ethanol as an alternative fuel, for economic or environmental reasons. Gasoline, as used worldwide in the vast number of combustion engines used in transport and industry, has a significant impact on the environment.

Gasoline may also enter the environment uncombusted, as liquid and as vapors, from leakage and handling during production, transport and delivery, from tanks, from spills. As an example of efforts to control leakage, many storage tanks are required to have extensive measures in place to detect. Gasoline contains benzene and other known carcinogens, Gasoline inhalation can produce an intense high, however the practice is thought to cause severe organ damage, including mental retardation.

The first automotive combustion engines, so-called Otto engines, were developed in the last quarter of the 19th century in Germany, the fuel was a relatively volatile hydrocarbon obtained from coal gas.

The development of a spray nozzle carburetor enabled the use of less volatile fuels, further improvements in engine efficiency were attempted at higher compression ratios, but early attempts were blocked by knocking. In the s, antiknock compounds were introduced by Thomas Midgley Jr. In the s oil refineries started to focus on high octane fuels, the s witnessed greater attention to the environmental consequences of burning gasoline.

These considerations led to the out of TEL and its replacement by other antiknock compounds. Subsequently, low-sulfur gasoline was introduced, in part to preserve the catalysts in modern exhaust systems, Gasoline is the term that is used in North America to refer to the most popular automobile fuel.

The Oxford English Dictionary dates the first use to , when it was spelled gasolene and it was never a trademark, although it may have been derived from older trademarks such as Cazeline and Gazeline. Variant spellings of gasoline had been used to refer to raw petroleum since the 16th century, Petrol is the preferred term in most Commonwealth countries.

Peugeot — For the article about the bicycle manufacturer, see Cycles Peugeot. Peugeot is a French car manufacturer, part of Groupe PSA, the family business that preceded the current Peugeot company was founded in , and manufactured coffee mills and bicycles.

On 20 November , Émile Peugeot applied for the lion trademark, due to family discord, Armand Peugeot in founded the Société des Automobiles Peugeot. The Peugeot company and family are originally from Sochaux, France, Peugeot retains a large manufacturing plant and Peugeot museum there. In February , the agreed to a recapitalisation plan, in which Dongfeng Motors. Peugeot has received international awards for its vehicles, including five European Car of the Year awards.

In and , Peugeot ranked the second lowest for average CO2 emissions among generalist brands in Europe, the Renault car maker group being ranked first, with Peugeot is known as a very reliable brand, citing how its s and s models are running in Africa and Cuba in the s. Peugeot has been involved in sport for more than a century.

In , Peugeot returned to the Dakar Rally after its four victories in the s, the Peugeot family of Valentigney, Montbéliard, Franche-Comté, France, began in the manufacturing business in the 19th century.

In , they added production of coffee, pepper, the companys entry into the vehicle market was by means of crinoline dresses, which used steel rods, leading to umbrella frames, saw blades, chisels, wire wheels, and bicycles.

Armand Peugeot introduced his Le Grand Bi penny-farthing in , along with a range of other bicycles, the car company and bike company parted ways in but Peugeot bicycles continued to be built until very recently. Armand Peugeot became interested in the early on and, after meeting with Gottlieb Daimler. The first Peugeot automobile, a three-wheeled, steam-powered car designed by Léon Serpollet, was produced in , steam power was heavy and bulky and required lengthy warmup times.

In , after meeting Daimler and Émile Levassor, steam was abandoned in favour of a car with a petrol-fuelled internal combustion engine built by Panhard under Daimler licence. The car was more sophisticated than many of its contemporaries, with a three-point suspension, an example was sold to the young Alberto Santos-Dumont, who exported it to Brazil. More cars followed,29 being built in ,40 in ,72 in , in and these early models were given type numbers. Peugeot became the first manufacturer to fit rubber tyres to a petrol-powered car, Peugeot was an early pioneer in motor racing, with Albert Lemaître winning the worlds first motor race, the Paris—Rouen, in a 3 hp Peugeot.

Potenza fisica — In physics, power is the rate of doing work. It is the amount of energy consumed per unit time, having no direction, it is a scalar quantity. In the SI system, the unit of power is the joule per second, known as the watt in honour of James Watt, another common and traditional measure is horsepower. Being the rate of work, the equation for power can be written, because this integral depends on the trajectory of the point of application of the force and torque, this calculation of work is said to be path dependent.

As a physical concept, power requires both a change in the universe and a specified time in which the change occurs. This is distinct from the concept of work, which is measured in terms of a net change in the state of the physical universe.

The output power of a motor is the product of the torque that the motor generates. The power involved in moving a vehicle is the product of the force of the wheels. The dimension of power is divided by time. The SI unit of power is the watt, which is equal to one joule per second, other units of power include ergs per second, horsepower, metric horsepower, and foot-pounds per minute.

One horsepower is equivalent to 33, foot-pounds per minute, or the required to lift pounds by one foot in one second. Other units include dBm, a logarithmic measure with 1 milliwatt as reference, food calories per hour, Btu per hour.

This shows how power is an amount of energy consumed per unit time. The average power is simply called power when the context makes it clear.

Pendenza topografica — The grade of a physical feature, landform or constructed line refers to the tangent of the angle of that surface to the horizontal. It is a case of the slope, where zero indicates horizontality. A larger number indicates higher or steeper degree of tilt, often slope is calculated as a ratio of rise to run, or as a fraction in which run is the horizontal distance and rise is the vertical distance.

The grades or slopes of existing physical features such as canyons and hillsides, stream and river banks, grades are typically specified for new linear constructions. The grade may refer to the slope or the perpendicular cross slope. There are several ways to express slope, as an angle of inclination to the horizontal, as a percentage, the formula for which is rise run which could also be expressed as the tangent of the angle of inclination times As a per mille figure, the formula for which is rise run which could also be expressed as the tangent of the angle of inclination times and this is commonly used in Europe to denote the incline of a railway.

As a ratio of one part rise to so many parts run, for example, a slope that has a rise of 5 feet for every feet of run would have a slope ratio of 1 in This is generally the method used to describe railway grades in Australia, any of these may be used. Slope may still be expressed when the run is not known.

This is not the way to specify slope, it follows the sine function rather than the tangent function. But in practice the way to calculate slope is to measure the distance along the slope and the vertical rise. When the angle of inclination is small, using the slope length rather than the horizontal displacement makes only an insignificant difference, Railway gradients are usually expressed in terms of the rise in relation to the distance along the track as a practical measure.

In cases where the difference between sin and tan is significant, the tangent is used. Grades are related using the equations with symbols from the figure at top. Mitragliatrice — A machine gun is a fully automatic mounted or portable firearm designed to fire bullets in quick succession from an ammunition belt or magazine, typically at a rate of to rounds per minute.

Note that not all fully automatic firearms are machine guns, submachine guns, rifles, assault rifles, shotguns, pistols or cannons may be capable of fully automatic fire, but are not designed for sustained fire. Many machine guns also use belt feeding and open bolt operation, unlike semi-automatic firearms, which require one trigger pull per round fired, a machine gun is designed to fire for as long as the trigger is held down.

Nowadays the term is restricted to heavy weapons, able to provide continuous or frequent bursts of automatic fire for as long as ammunition lasts.

Machine guns are used against personnel, aircraft and light vehicles, or to provide suppressive fire. Some machine guns have in practice sustained fire almost continuously for hours, because they become very hot, practically all machine guns fire from an open bolt, to permit air cooling from the breech between bursts. They also usually have either a barrel cooling system, slow-heating heavyweight barrel, although subdivided into light, medium, heavy or general-purpose, even the lightest machine guns tend to be substantially larger and heavier than standard infantry arms.

Medium and heavy guns are either mounted on a tripod or on a vehicle, when carried on foot. Medium machine guns use full-sized rifle rounds and are designed to be used from fixed positions mounted on a tripod.

The M machine gun is a crew-served weapon, Machine guns usually have simple iron sights, though the use of optics is becoming more common. Many heavy machine guns, such as the Browning M2. During the Vietnam War, Carlos Hathcock set the record for a shot at ft with a. This led to the introduction of. Unlocking and removing the spent case from the chamber and ejecting it out of the weapon as bolt is moving rearward Loading the next round into the firing chamber.

Usually the recoil spring tension pushes bolt back into battery and a cam strips the new round from a feeding device, cycle is repeated as long as the trigger is activated by operator. Releasing the trigger resets the trigger mechanism by engaging a sear so the weapon stops firing with bolt carrier fully at the rear, the operation is basically the same for all autoloading firearms, regardless of the means of activating these mechanisms.

Most modern machine guns use gas-operated reloading, a recoil actuated machine gun uses the recoil to first unlock and then operate the action.

Machine guns such as the M2 Browning and MG42, are of this type, a cam, lever or actuator demultiplicates the energy of the recoil to operate the bolt. Autoblindo — A military armored car is a lightweight wheeled armored fighting vehicle, historically employed for reconnaissance, internal security, armed escort, and other subordinate battlefield tasks.

With the gradual decline of mounted cavalry, armored cars were developed for carrying out duties formerly assigned to horsemen, following the invention of the tank, the armored car remained popular due to its comparatively simplified maintenance and low production cost.

It also found favor with several colonial armies as a weapon for use in underdeveloped regions. During World War II, most armored cars were engineered for reconnaissance and passive observation, some equipped with heavier armament could even substitute for tracked combat vehicles in favorable conditions—such as pursuit or flanking maneuvers during the North African Campaign.

The Motor Scout was designed and built by British inventor F. Simms in and it was the first armed petrol engine-powered vehicle ever built. The vehicle was a De Dion-Bouton quadricycle with a mounted Maxim machine gun on the front bar, an iron shield in front of the car protected the driver.

However, these were not armored cars as the term is understood today and they were also, by virtue of their small capacity engines, less efficient than the cavalry and horse-drawn guns that they were intended to complement. At the beginning of the 20th century, the first military armored vehicles were manufactured, by adding armor and weapons to existing vehicles.

The vehicle had Vickers armour 6 mm thick and was powered by a four-cylinder 3. The vehicle was equipped with a Hotchkiss machine gun, and with 7 mm armour for the gunner, one of the first operational armoured cars with four wheel drive and fully enclosed rotating turret, was the Austro-Daimler Panzerwagen built by Austro-Daimler in It was armoured with Of note, both the driver and co-driver had adjustable seats enabling them to them to see out of the roof of the drive compartment as needed.

The Italians used armored cars during the Italo-Turkish War, a great variety of armored cars appeared on both sides during World War I and these were used in various ways.

Generally, the cars were used by more or less independent car commanders. However, sometimes they were used in units up to squadron size. The cars were armed with light machine guns, but larger units usually employed a few cars with heavier guns. As air power became a factor, armored cars offered a platform for antiaircraft guns.

Voci con campo Ref vuoto nel template Infobox veicolo militare Voci con template infobox veicolo militare senza immagini. Under the presidency of Raymond Poincaré, which ran from till , the military were also keen on the sleeve valve engined Panhard 20HP 3. This portion of the meridian, assumed to be the length as the Paris meridian, was to serve as the basis for the length of the half meridian connecting the North Pole with the Equator 4.

The writers of those times, including Vitruvius, Frontinus and Pliny the Elder, treat these engines as commonplace, by the 1st century AD, cattle and horses were used in mills, driving machines similar to those powered by humans in earlier times 5. Variant spellings of gasoline had been used to refer to raw petroleum since the 16th century, Petrol is the preferred term in most Commonwealth countries 6. Peugeot became the first manufacturer to fit rubber tyres to a petrol-powered car, Peugeot was an early pioneer in motor racing, with Albert Lemaître winning the worlds first motor race, the Paris—Rouen, in a 3 hp Peugeot 7.

Grades are related using the equations with symbols from the figure at top 9. Machine guns such as the M2 Browning and MG42, are of this type, a cam, lever or actuator demultiplicates the energy of the recoil to operate the bolt Panhard [videos] Panhard is a French manufacturer of light tactical and military vehicles. Panhard et Levassor This model was the first registered automobile in Portugal. Panhard et Levassor's Daimler Motor Carriage, Belfry, Dunkirk —the northern end of the meridian arc.

Fortress of Montjuïc —the southerly end of the meridian arc. Creating the metre-alloy in at the Conservatoire des Arts et Métiers. A Shell gasoline station in Hiroshima , Japan. A pumpjack in the United States. An oil rig in the Gulf of Mexico. Mesalazine may increase the neuroexcitatory activities of Gatifloxacin. Labour rights have been integral to the social and economic development since the industrial revolution.

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